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Suponga que el aumento porcentual en los salarios de los empleados de una empresa multinacional se distribuye siguiendo una distribucin normal con una media de

Suponga que el aumento porcentual en los salarios de los empleados de una empresa multinacional se distribuye siguiendo una distribucin normal con una media de 12.2 y una desviacin estndar de 3.6. Si se toma una muestra aleatoria de 9 observaciones de esta poblacin con base en aumentos salariales porcentuales, cul es la probabilidad de que la media muestral sea mayor al 10%?

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